Schedule of Income Tax Expense Benefit (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Income Tax Expense Benefit Details
Federal income tax at statutory rates	$ 143	$ (668)
State income taxes, net of federal benefit	11	22
Foreign income taxes	(744)	(161)
Changes in valuation allowances	287	897
Foreign income inclusion - IRC 956	607	144
Permanent differences	10	2
Tax benefit from income of discontinued operations		(227)
Expiration of research and development credits		79
Effective tax rate	$ 314	$ 88